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Athar
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If a starfish had 44 arms what number pattern for 7 starfish if each had 5 arms
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m = 0.2 kg, u = 4 m/s, v = 0, t = 40 ms = 0.02 s (see x- axis) F = (mv - mu)/ t F = (0.2 x 0 - 0.2x4)/0.02 F = 40 N 👍 1 👎 0
m = 0.2 kg, u = 4 m/s, v = 0, t = 40 ms = 0.04 s (see x- axis) F = (mv - mu)/ t F = (0.2 x 0 - 0.2x4)/0.04 F = 20 N
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